These reference works are a good starting point for background information at the beginning of your research, and can point you to in-depth sources related to your topic.
Can’t find what you need in CALCAT? Search the collections of more than 10,000 libraries worldwide in WorldCat. Then, submit an interlibrary loan request or borrow directly from a nearby library with Vale Reciprocal Borrowing.
E-books can be accessed 24/7 with your NetID and password.